$_zero-to-ten: (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
$_zero-to-fifty: (
  0,
  1,
  2,
  3,
  4,
  5,
  6,
  7,
  8,
  9,
  10,
  11,
  12,
  13,
  14,
  15,
  16,
  17,
  18,
  19,
  20,
  21,
  22,
  23,
  24,
  25,
  26,
  27,
  28,
  29,
  30,
  31,
  32,
  33,
  34,
  35,
  36,
  37,
  38,
  39,
  40,
  41,
  42,
  43,
  44,
  45,
  46,
  47,
  48,
  49,
  50,
  51,
  52,
  53,
  54,
  55,
  56,
  57,
  58,
  59,
  60,
  61,
  62,
  63,
  64,
  65,
  66,
  67,
  68,
  69,
  70,
  71,
  72,
  73,
  74,
  75,
  76,
  77,
  78,
  79,
  80,
  81,
  82,
  83,
  84,
  85,
  86,
  87,
  88,
  89,
  90,
  91,
  92,
  93,
  94,
  95,
  96,
  97,
  98,
  99,
  100
);
$_one-hundred-to-nine-hundred: (100, 200, 300, 400, 500, 600, 700, 800, 900);
$_zero-to-one-hundred-percentage: (
  0: 0%,
  10: 10%,
  20: 20%,
  30: 30%,
  40: 40%,
  50: 50%,
  60: 60%,
  70: 70%,
  80: 80%,
  90: 90%,
  100: 100%
);

$_spacing-size: $_zero-to-fifty;
$_element-size: $_zero-to-fifty;
$_text-size: $_zero-to-fifty;
$_offset-size: $_zero-to-fifty;
$_border-radius-size: $_zero-to-fifty;
$_line-height-size: $_zero-to-fifty;
$_z-index-size: $_zero-to-fifty;

$_border-size: $_zero-to-ten;
$_flex-grow-size: $_zero-to-ten;
$_flex-shrink-size: $_zero-to-ten;
$_flex-order-size: $_zero-to-ten;
$_letter-spacing-size: $_zero-to-ten;
$_word-spacing-size: $_zero-to-ten;
$_border-size: $_zero-to-ten;

$_text-weight-size: $_one-hundred-to-nine-hundred;

$_element-percentage-size: $_zero-to-one-hundred-percentage;

$_opacity-size: $_zero-to-ten